They create meaningless stereotypes of American-born Indians, such as, "they hate their ancestry and try to be as american as possible," or "only hang around each other," etc.
First of all, many American-born Indians don't need to TRY to be American, it is the culture they were raised with. And they don't do gangster things either; they may be born in America but still have decency. And the latter stereotype is in fact very hypocritical, because many ABCD haters, with their "Indian" mentality, blatantly profess that they are such a dominant race, and tend to show such contempt for other cultures. They also think that EVERY person of Indian origin must think the same and be a redneck of a culture they weren't even raised with.
"ABCD" hater: "ABCD!!!!! YOU'RE ACTING MORE AMERICAN THAN YOU ARE! I'M SURE YOU HATE BEING INDIAN! NOW BE AN INDIAN REDNECK!"
American-born Indian: "Actually, this is where I'm from. So be offended all you want, but you can't make me more of an Indian than I am, just because of your own fanaticism of what I'm not."
"ABCD" hater: "....."